Table 2.
Descriptive statistics and reliability (Chronbach's alpha) of the global scales.
| OQ Total Score | GSI | |||
|---|---|---|---|---|
| Inpatients (n 1 = 1342) | Outpatients (n 3 = 239) | Inpatients (n 2 = 1743) | Outpatients (n 3 = 239) | |
| M (SD) | 78.4 (28.9) | 72.0 (19.4) | 1.46 (0.79) | 1.06 (0.53) |
| Min | 0 | 33 | 0 | 0.26 |
| Percentiles | ||||
| 5 | 31 | 40 | 0.25 | 0.34 |
| 10 | 38 | 47 | 0.41 | 0.45 |
| 25 | 58 | 60 | 0.85 | 0.66 |
| 50 | 79 | 71 | 1.40 | 0.97 |
| 75 | 99 | 85 | 2.02 | 1.39 |
| 90 | 117 | 95 | 2.56 | 1.76 |
| 95 | 126 | 104 | 2.85 | 2.02 |
| Max | 159 | 143 | 3.79 | 2.78 |
| α ∗ | 0.95 | 0.91 | 0.97 | 0.95 |
Note: ∗Calculations of α are based on complete case analysis. OQ-45 from sample 1: n 1 = 588. OQ-45 from sample 3: n 3 = 198. BSI from sample 2: n 2 = 1282. BSI from sample 3: n 3 = 237.